Using the factoring method, solve for the roots of the quadratic equation.26x2 + 30x = 0
A. x = - 
, x = 0
B. x = 0
C. x = 
, x = 0
D. x = 
, x = - 
Answer: A
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Find all values of ?, if ? is in the interval [0, 360°) and has the given function value.sin ? = - 
A. 45° and 315° B. 225° and 315° C. 45° and 225° D. 135° and 225°
Factor completely. If a polynomial cannot be factored, say it is prime.xy + 10x - 2y - 20
A. (x + 10)(y - 2) B. (x - 10)(y + 2) C. (y - 10)(x + 2) D. (y + 10)(x - 2)
Rationalize the denominator. Assume that all variables represent positive real numbers.- 
A. - 
B. - 
C. - 
D. - 
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 - 6x - 7 = 0
A. Two different real-number solutions B. Two different imaginary-number solutions C. One real solution